Abstract: An optical communication device includes: a plurality of first distribution units that is connected to a plurality of optical transmission lines and outputs an optical signal input from any of first devices to any of the optical transmission lines; a plurality of second distribution units that is connected to a plurality of optical transmission lines and outputs an optical signal input from any of the optical transmission lines to any of second devices; and a transfer unit configured to transfer the optical signal transmitted from the first device connected to any of the plurality of first distribution units to any of the plurality of second distribution units connected to the specific second device.

Abstract: An optical communication device includes: a first optical switch that is connected to a plurality of optical transmission lines and outputs an optical signal input from any of the optical transmission lines to another optical transmission line; a second optical switch that is connected to a plurality of optical transmission lines and outputs an optical signal input from any of the optical transmission lines to another optical transmission line; and a multicast transfer unit configured to perform multicast transfer of an optical signal transmitted from a first device connected to the first optical switch to one or more second devices connected to the second optical switch.

Abstract: A communication control device that controls setting of an optical path between a first communication device and a second communication device includes: a detection unit that detects a main signal on which an uplink control signal transmitted from the first communication device is superimposed and detects a transmission timing of the uplink control signal; a determination unit that determines a transmission timing of a downlink control signal so as not to overlap with the transmission timing of the uplink control signal on the basis of the transmission timing of the uplink control signal detected by the detection unit and a predetermined control signal transmission rule; and a transmission unit that transmits the downlink control signal to the second communication device at the transmission timing of the downlink control signal determined by the determination unit.

Abstract: Disclosed are: a method for producing a cell population containing regulatory T cells, the method comprising (1) culturing a cell population containing pluripotent stem cell-derived CD4+ T cells in the presence of at least one substance selected from the group consisting of a CDK8 and/or CDK19 inhibitor, a TNFR2 agonist, an mTOR inhibitor, and a TGF-?R agonist; a cell population containing regulatory T cells obtained by the method; and a medicine containing the cell population containing regulatory T cells.

Abstract: A communication device is a first communication device in an optical communication system including the first communication device, a second communication device, and a control device that controls opening of an optical path between the first communication device and the second communication device, and the communication device includes a first reception unit configured to receive a downlink control signal that is an optical signal having a predetermined wavelength transmitted from the control device; and a second reception unit configured to receive a main signal that is an optical signal having a wavelength different from the predetermined wavelength transmitted from the second communication device.

Abstract: A control device includes: a distance derivation part which derives a communication distance between a subject-communication device which communicates using a beam and another communication device which faces the subject communication device; a speed derivation part which derives a relative speed of the another communication device with respect to the subject communication device; an angle derivation part which derives a range of divergence angles of a beam in which it is possible to maintain communication between the subject communication device and the another communication device on the basis of at least the communication distance and the relative speed; and an angle control part which changes a divergence angle of the beam when it is determined that the divergence angle needs to be changed on the basis of the current divergence angle of the beam and the range.

Abstract: Disclosed is a method for producing T cells, the method comprising: (1) culturing three-dimensional cell aggregate(s) comprising cells that can differentiate into T cells, and stromal cells that express Notch ligand(s) derived from pluripotent stem cells. Also disclosed are T cells obtained by the method, and a medicine comprising the T cells.

Abstract: A determination unit determines whether non-compliant light that does not satisfy a predetermined criterion is included in multiplexed light passing through a path to be monitored. A restriction unit controls that an optical signal does not flow through the path when the non-compliant light is included in the multiplexed light.

Abstract: [Problem] To provide a cell bank for quickly producing regenerative T cells having an antigen-specific T cell receptor of an individual introduced hereinto, said cell bank containing hematopoietic stem cells differentiated and induced from iPS cells, immature T cells and/or mature T cells as intermediates in the production. [Solution] A cell bank, which contains iPS cells and one or more kinds of cells selected from the group consisting of hematopoietic stem cells differentiated from iPS cells, immature T cells, and mature T cells is constructed. The iPS cells are obtained by initializing peripheral blood mononuclear cells from which B cells and T cells have been removed, or by initializing T cells. The T cell receptor gene is introduced into the hematopoietic stem cells or the immature T cells with the use of a viral vector, a transposon vector, or genome editing techniques. The T cell receptor gene is introduced into the mature T cells with the use of genome editing techniques.

Abstract: An optical transmission device includes a wavelength cross connection unit that receives an optical signal transmitted from a first optical transmission device, separates the input optical signal according to a wavelength, and outputs each of the separated optical signals from a port corresponding to the wavelength, and an optical switch that outputs an optical signal output from the wavelength cross connection unit from a port to which a destination subscriber device is connected, in which the wavelength cross connection unit outputs the optical signal toward the optical switch in a case where the optical signal is an optical signal addressed to a subscriber device connected under control of a host device, and outputs the optical signal toward a second optical transmission device different from the first optical transmission device in a case where the optical signal is not an optical signal addressed to a subscriber device connected under control of the host device.

Abstract: An object of the present invention is to provide a method for producing T cells or NK cells, a culture medium for culturing T cells or NK cells, a method for culturing T cells or NK cells, a method for maintaining the undifferentiated state of undifferentiated T cells, and a growth promoter for T cells or NK cells, which are capable of efficiently proliferating T cells or NK cells and maintaining the state of the cells (for example, undifferentiated property). The present invention relates to a method for producing T cells or NK cells including culturing T cells or NK cells in a culture medium containing a bisbenzylisoquinoline alkaloid represented by formula (X-1) or formula (X-2) or a compound resulting from cleavage of one ether bond thereof or a pharmaceutically acceptable salt thereof, and the like.

Abstract: Provided is an optical access system that performs communication using an optical signal on which management control signals used for management and control are superimposed in a plurality of transmission lines connecting a plurality of subscriber devices, the optical access system including: a plurality of splitters that are provided for the respective transmission lines and split a plurality of optical signals transmitted from the plurality of subscriber devices; a monitoring unit configured to acquire the management control signals from each of the plurality of optical signals split by each of the plurality of splitters; and an output device that is provided between the monitoring unit and the plurality of splitters and outputs the plurality of optical signals split by the plurality of splitters to the monitoring unit.

Abstract: One aspect of the present invention is an optical communication control device including an acquisition unit that acquires an optical power of an optical signal transmitted from a transmission device, a derivation unit that derives an attenuation amount for setting the optical power of the optical signal transmitted from the transmission device to an optical power receivable by a receiver device in a case in which the optical power acquired by the acquisition unit exceeds the optical power receivable by the receiver device, and an attenuation unit that causes an attenuator that attenuates the optical power of the optical signal transmitted from the transmission device to attenuate the optical power with the attenuation amount derived by the derivation unit.

Abstract: An optical node device includes a modulation amplitude correction unit which generates correction information for correcting an amplitude of a modulated signal based on a control signal so that a superimposition ratio when superimposing the control signal for controlling a subscriber device on an optical signal becomes a desired superimposition ratio; a driver which converts the control signal input from the outside into a modulated signal, and adjusts the amplitude of the modulated signal, using the correction information generated by the modulation amplitude correction unit; and a superimposing unit which superimposes the modulated signal adjusted by the driver on the optical signal.

Abstract: Provided is a method for inducing T cells for a cell-based immunotherapy, comprising the steps of: (1) providing Rag 1 and/or Rag 2 gene knockout human pluripotent stem cells bearing genes encoding a T cell receptor specific for a desired antigen, and (2) inducing T cells from the pluripotent stem cells of step (1). Further provided are a cell-based immunotherapy method that uses the T cells for the cell-based immunotherapy and an iPS cell bank for the cell-based immunotherapy.

Abstract: An optical signal processing apparatus includes a removal unit and a superimposition unit. The removal unit receives, from a first optical transmission path, an optical signal converted from an electrical signal, in which a first signal and a second signal having different frequencies from each other have been superimposed, and removes the second signal from the optical signal which has been input. The superimposition unit superimposes a third signal having a frequency different from a frequency of the first signal on the optical signal in which the second signal has been removed by the removal unit, and outputs the optical signal in which the third signal has been superimposed to a second optical transmission path.

Abstract: A wavelength multiplexing communication system includes a master station apparatus and a plurality of slave station apparatuses. The master station apparatus includes a wavelength multiplexing communication unit. The wavelength multiplexing communication unit performs wavelength multiplexing communication with the plurality of slave station apparatuses by using optical signals having the number of wavelengths equal to or less than the number of the plurality of slave station apparatuses. The slave station apparatus includes an optical communication unit. When the main signal communication is performed in the host slave station apparatus, the optical communication unit communicates with the master station apparatus by an optical signal having the same wavelength as a wavelength used by another slave station apparatus in which a main signal notification is not performed.

Abstract: An aspect of the present invention is an optical transmission device including a connector that is able to be connected to an accommodation module accommodating an optical fiber such that optical communication is performed, an optical switch that receives an optical signal from the connector and outputs an optical signal to the connector, an optical switch controller that controls the optical switch, an up wavelength multiplexer/demultiplexer that multiplexes light of a plurality of wavelengths output from the optical switch and outputs the multiplexed light to a transmission line, and a down wavelength multiplexer/demultiplexer that demultiplexes light input from the transmission line and outputs the demultiplexed light to the optical switch, wherein the connector can be connected to any one of a one-core accommodation module and a two-core accommodation module as the accommodation module.

Abstract: An optical communication system including an optical switch that is connected to a plurality of optical transmission lines and outputs an optical signal input from any of the optical transmission lines to another optical transmission line, and a transfer unit configured to convert simplex transmission into duplex transmission or converts duplex transmission into simplex transmission between a subscriber device and the optical switch or between a first port of the optical switch to which the subscriber device is directly or indirectly connected and a second port opposite to the first port, and transfers the optical signal so as not to cause interference between uplink and downlink.

Abstract: An optical node device to which a first subscriber device and a second subscriber device are connected in an optical communication system in which the first subscriber device and the second subscriber device are mixed, the first subscriber device being connected by one core using different wavelengths in transmission and reception, the second subscriber device being connected by two cores using the same wavelength in transmission and reception, the optical node device including: a transmission/reception separator that transfers an optical signal transmitted from the first subscriber device and an optical signal addressed to the first subscriber device without interference; and an optical switch that controls a connection relationship between ports such that an optical signal transmitted from the first subscriber device or an optical signal addressed to the first subscriber device passes through the transmission/reception separator and an optical signal transmitted from the second subscriber device or an optic